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PLZ HELP 01 ford explorer

b1blazin

New Member
Joined
January 4, 2016
Messages
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Year, Model & Trim Level
2001 Ford Explorer Sport
i have many Qs. i am new and a young learning mechanic. i have p0171 code. i have obd2 with live data my bank1 is too lean my fuel trim for that is high like 20 something so i thought i had a leak but cant find one anywhere. iknow 01 explorers have common issues like intake manifold gasket and pcv elbows cracking but i cant find cracks. one of my 02 reads v 1.275 and stays stuck there. not sure if thats not normal.i blew smoke in the manifold but cant see smoke anywhere. i just used a cigarette all i had.;)......checked my MAF sensor and seems clean and to funtion it reads on the live data.??????????

im lost plz help what should i do?

if o2 problem do i have 4? and where are they located. i saw pics online underneath around the catalitic converter.
 






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